"The iPad is not magic, and as many educators have found integrating them meaningfully is by no means a just-add-water proposition. The same applies to Project-Based Learning."
Project based learning in the technology classroom diary: T minus one week After spending 3 weeks teaching my grade 9's project management using Scrum, we finally moved on to Alexey Krivitsky's terrific and well-known Lego City simulation.
Poses many questions to challenge your approach to project based learning. Links to authoritative sources and presents continua to assess your approaches.
This is a PBL checklist rubric with all possibilities. Created on Kathy Schrock's Guide to Everything under Rubrics. Adjustable according to the project. Lots of other rubric templates available.